airways plane heading from philadelphia to dallas fort worth, to turn around thursday morning. forcing the fbi to intervene. all because of a former girlfriend seeking revenge, after compromising photos of her were posted on facebook. >> five games came on the plane. he did an abrupt 90-degree turn. >> the 29 year old, chris shell, was the victim of a cruel joke. >> all indications are, this was a hoax and a nasty trick was played on a passenger. >> reporter: his ex- girlfriend's allege aid couch ed accomplice, her new boyfriend. accusing shell of carrying liquid explosives on board a flight. shell's former girlfriend and smith, have been the focus of an fbi investigation and it's likely they are looking for third party, but authorities may have reason to be suspicious of shell who posted earlier that morning he felt bless a neighbor worked security and walked him through calling it a breeze and making the situation even worse, shell had outstanding warrants for dug possession and arrested again when he landed in dallas. . as for the man who phoned in the fake terror threat he